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https://issues.apache.org/jira/browse/HIVE-11386?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14646792#comment-14646792
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Matt McCline commented on HIVE-11386:
-------------------------------------
Fixed vector_orderby_5.q problem.
Added some code to base size on memory. Not finished.
> Improve Vectorized GROUP BY Performance (Phase 1)
> -------------------------------------------------
>
> Key: HIVE-11386
> URL: https://issues.apache.org/jira/browse/HIVE-11386
> Project: Hive
> Issue Type: Bug
> Components: Hive
> Reporter: Matt McCline
> Assignee: Matt McCline
> Priority: Critical
> Attachments: HIVE-11386.01.patch, HIVE-11386.02.patch
>
>
> Improve vectorized GROUP BY performance, with an eye towards the new LLAP
> memory management (dramatically reduce the number of Java object, allocate
> very large objects, etc).
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